,,,,@,,,@@                                          @@@@@@,@@,
,,,@@,,@,@                                          ,,,,,@@,@,
,,@,@,@@@,                                          ,,,,@,@@@,
,@@@@@,,@@                                          ,,,@@@,,@,
@,,,,@,@,@                                          ,,@,,@,@@,
@,,,@@@@@@                  RAILS                   ,@@,@@@,@@
@,,@,,,,,@                                          @,@@,,@@,,
@,@@,,,,@,                                          @@,@,@,@,@
@@,@,,,@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ,@@@@@@@@,
,@@@,,@,,,                                          @,,,,,,,@@
@,,@,@@,,, @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @,,,,,,@,@
@,@@@,@,,,                                          @,,,,,@@@,
@@,,@@@,,,                                          @,,,,@,,@@
,@,@,,@,,@ TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY @,,,@@,@,,
@@@@,@@,@, HAVE  TO FOLLOW A SET PATH. THIS PATH IS @,,@,@@@,,
,,,@@,@@@, CALLED  A  "RAILWAY", WHICH IS COMPRISED @,@@@,,@,@
,,@,@@,,@, OF TWO METAL RAILS,  HENCE ITS NICKNAME. @@,,@,@@@@
,@@@,@,@@,                                          ,@,@@@,,,@
@,,@@@@,@@ BECAUSE  THE  LOW FRICTION  BETWEEN  THE @@@,,@,,@@
@,@,,,@@,, WHEELS OF THE TRAIN  AND THE RAIL METAL, ,,@,@@,@,,
@@@,,@,@,, THERE ARE LIMITS FOR HOW ACUTE  A  CURVE ,@@@,@@@,@
,,@,@@@@,@ CAN  BE, AND EVEN  MORE SO FOR HOW  MUCH @,,@@,,@@,
,@@@,,,@@@ THE  GROUND  UNDER  THE  RAILS  CAN   BE @,@,@,@,@,
@,,@,,@,,@ SLOPED. THUS A RAILWAY  IS OFTEN NOT LED @@@@@@@@@,
@,@@,@@,@, ON TOP  OF HILLS, RATHER THROUGH THEM IN ,,,,,,,,@@
@@,@@,@@@@ TUNNELS  (IF   THEY   ARE   LARGE),   OR ,,,,,,,@,,
,@@,@@,,,,            ARTIFICIAL CHASMS.            ,,,,,,@@,@
@,@@,@,,,@                                          ,,,,,@,@@@
@@,@@@,,@, THERE WILL BE TREES ON  THE  SIDE OF THE ,,,,@@@,,,
,@@,,@,@@@ RAILS, BUT NOT  TOO CLOSE, OR  THEY WILL ,,,@,,@,,@
@,@,@@@,,@ BE  CUT DOWN  BY THE  RAILWAY  JANITORS. ,,@@,@@,@@
@@@@,,@,@@ THERE  WILL  BE  PLAINS, AND  BODIES  OF ,@,@@,@@,,
,,,@,@@@,,                  WATER.                  @@@,@@,@,@
,,@@@,,@,@                                          ,,@@,@@@@@
,@,,@,@@@@ TRAINS  GO  BY  DAY AND  BY NIGHT. ALONG ,@,@@,,,,@
@@,@@@,,,@       THE WAY, THERE IS INFORMATION      @@@,@,,,@@
,@@,,@,,@@ SCATTERED, OFTEN PUT  ON TOP  OF  POLES, ,,@@@,,@,,
@,@,@@,@,, TO BE INTERPRETED BY THE TRAIN  DRIVERS. ,@,,@,@@,,
@@@@,@@@,@ DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE @@,@@@,@,@
,,,@@,,@@,          DIFFERENT SPEED LIMITS.         ,@@,,@@@@,
,,@,@,@,@,                                          @,@,@,,,@,
,@@@@@@@@, SOMETIMES, TRAINS HAVE TO  STOP AND WAIT @@@@@,,@@,
@,,,,,,,@, FOR SOMETHING TO HAPPEN,  FAR AWAY. THIS ,,,,@,@,@,
@,,,,,,@@, IS  SIGNALED  BY RED  OR  GREEN  LIGHTS. ,,,@@@@@@@
@,,,,,@,@@                                          ,,@,,,,,,,
@,,,,@@@,,                 @@@@@@@@                 ,@@,,,,,,@
@,,,@,,@,@                                          @,@,,,,,@,
@,,@@,@@@, MANY  PEOPLE FOLLOW  THE  RAILS BY FOOT. @@@,,,,@@@
@,@,@@,,@, OFTEN  THIS  PROVES  TO  BE THE  SHORTER ,,@,,,@,,,
@@@@,@,@@@ PATH  BETWEEN  TWO POINTS.  HOWEVER THIS ,@@,,@@,,@
,,,@@@@,,, IS  FROWNED  UPON,  AND   VERY  IMPOLITE @,@,@,@,@,
,,@,,,@,,@         TOWARD THE TRAIN DRIVERS!        @@@@@@@@@,
,@@,,@@,@@                                          ,,,,,,,,@,
@,@,@,@@,@                                          ,,,,,,,@@,
@@@@@@,@@@                                          ,,,,,,@,@@
,,,,,@@,,,                                          ,,,,,@@@,,
,,,,@,@,,,                                          ,,,,@,,@,,
,,,@@@@,,@                                          ,,,@@,@@,,